Fix test.

python/pyarrow/tests/test_serialization.py

@@ -254,10 +254,6 @@ def test_clone():
  class Foo(object):
  pass
 
- class Bar(object):
- def __init__(self):
- self.value = 1
-
  def custom_serializer(obj):
  return 0
 
@@ -267,8 +263,6 @@ def custom_deserializer(serialized_obj):
  context.register_type(Foo, 'Foo', custom_serializer=custom_serializer,
  custom_deserializer=custom_deserializer)
 
- context.register_type(Bar, 'Bar', pickle=True)
-
  new_context = context.clone()
 
  f = Foo()
@@ -280,17 +274,6 @@ def custom_deserializer(serialized_obj):
  deserialized = serialized.deserialize(context=new_context)
  assert deserialized == (0, 'a')
 
- b = Bar()
- serialized = pa.serialize(b, context=context)
- deserialized = serialized.deserialize(context=context)
- assert type(deserialized).__name__ == Bar.__name__
- assert deserialized.value == 1
-
- serialized = pa.serialize(b, context=new_context)
- deserialized = serialized.deserialize(context=new_context)
- assert type(deserialized).__name__ == Bar.__name__
- assert deserialized.value == 1
-
 
 def test_primitive_serialization(large_buffer):
  for obj in PRIMITIVE_OBJECTS: